Hyundai and Kia this week launched a project to develop cheaper cathode materials for lithium iron phosphate (LFP) batteries that could also reduce reliance on Chinese battery suppliers.

The project aims to develop a new production process for LFP cathode material, the two automakers said in a press release. Instead of adding lithium to "precursor materials" like phosphate and iron sulfate, as in current LFP production, a new "direct synthesis" process would combine iron powder, phosphate, and lithium without the precursor step, Hyundai and Kia explained.

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